18740306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23251}}^1$

素因数の和:23297

約数の個数: 16

約数和(自身を含む): 31250688

約数和(自身を除く): 12510382

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 23251, 46502, 302263, 604526, 720781, 1441562, 9370153, 18740306]

約数ペア:

[(1, 18740306), (2, 9370153), (13, 1441562), (26, 720781), (31, 604526), (62, 302263), (403, 46502), (806, 23251)]